Ignition Source

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Wildfire Knowledge Graph · Fire Investigation

Working definition

The heat, flame, spark, electrical fault, lightning discharge or other initiating energy source capable of starting combustion.

In plain language

The heat, flame, spark, electrical fault, lightning discharge or other initiating energy source capable of starting combustion.

Why it matters

Ignition Source is useful because it separates one specific part of wildfire behaviour, exposure, operations or evidence from nearby concepts that can otherwise be mixed together.

Primary terminology sourceSearch official NWCG glossary ↗

Tecnobosque explanation reviewed 12 September 2026. Source definitions are authoritative within their stated jurisdiction; the explanatory text above is an independent technical synthesis.